/usr/local/lib/python3.6/site-packages/transformers
Edit: /usr/local/lib/python3.6/site-packages/transformers/pytorch_utils.py (1649B)
# Copyright 2022 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import torch
from packaging import version
from torch import _softmax_backward_data
from .utils import logging
logger = logging.get_logger(__name__)
is_torch_less_than_1_8 = version.parse(torch.__version__) < version.parse("1.8.0")
is_torch_less_than_1_11 = version.parse(torch.__version__) < version.parse("1.11")
def torch_int_div(tensor1, tensor2):
"""
A function that performs integer division across different versions of PyTorch.
"""
if is_torch_less_than_1_8:
return tensor1 // tensor2
else:
return torch.div(tensor1, tensor2, rounding_mode="floor")
def softmax_backward_data(parent, grad_output, output, dim, self):
"""
A function that calls the internal `_softmax_backward_data` PyTorch method and that adjusts the arguments according
to the torch version detected.
"""
if is_torch_less_than_1_11:
return _softmax_backward_data(grad_output, output, parent.dim, self)
else:
return _softmax_backward_data(grad_output, output, parent.dim, self.dtype)